| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Black River |
| Description: | A 115 year old spruce stand on the Black River, site index 80. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Black River |
| Description: | A 115 year old stand of white spruce on the Black River north of Rotten Fish Slough. Site index 80. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Chalkyitsik; Ohtig Lake |
| Description: | A 75 year old stand of aspen at Ohtig Lake six miles south of Chalkyitsik on the Black River. Aspen site is 25 to 30 whereas white spruce in the area are doing much better. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Chalkyitsik; Ohtig Lake |
| Description: | A 75 year old stand of aspen at Ohtig Lake six miles south of Chalkyitsik on the Black River. Aspen site is 25 to 30 whereas white spruce in the area are doing much better. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Fort Yukon |
| Description: | A burn northeast of Fort Yukon that has regenerated to aspen. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | A mature stand of white spruce along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand even-aged stands |
| Location: | Alaska; Porcupine River |
| Description: | A mature stand of white spruce along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Black River |
| Description: | A mature stand of white spruce on the Black River north of Rotten Fish Slough. Keith Hutchison inspecting a balsam poplar. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Fort Yukon; Twelvemile Lake |
| Description: | A site 35 Aspen stand at 12 Mile Lake. Stand is approximately 26 years old at breast height. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Along the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Graphite Lake |
| Description: | An open stand of aspen and white spruce at Graphite Lake, NE of Ft. Yukon. Stand age is 45 years at b.h. Site index of aspen 35 and of spruce 65. Site appeared to be very dry. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Graphite Lake |
| Description: | An open stand of aspen and white spruce at Graphite Lake, NE of Ft. Yukon. Stand age is 45 years at b.h. Site index of aspen 35 and of spruce 65. Site appeared to be very dry. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Graphite Lake |
| Description: | An open stand of aspen and white spruce at Graphite Lake, NE of Ft. Yukon. Stand age is 45 years at b.h. Site index of aspen 35 and of spruce 65. Site appeared to be very dry. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Bonanza Creek |
| Description: | At Bonanza creek overlooking the Tanana River Valley and black spruce sites. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska |
| Description: | General view along the river showing a mature stand of white spruce and effect of water erosion during high water. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Chalkyitsik; Ohtig Lake |
| Description: | Mature spruce stands in the uplands east of Ohtig Lake. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | On Porcupine River at white spruce plots 331 and 332. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska |
| Description: | On the river near white spruce plot 328. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine R. at white spruce plot 328, a 215 yr. old stand. Site index is approx. 55. Bd. ft. vol.* is about 4200 bd. ft. per acre, 2300 cubic ft. per acre in trees 5. inches and larger. *(International 1/4-inch rule). |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River and the Sheenjek River entering from the north. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River at white spruce plot 328; a 215 year old stand. Site index is approx 55. Board-foot vol. is about 4200 board-feet per acre, 2300 cubic-feet per acre in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River between white spruce plots 326 and 328. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River between white spruce plots 326 and 328. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Porcupine River east of where the Sheenjek River enters the Porcupine. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Primary succession of willow on a river bar at Bar Car on the Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Fort Yukon; Twelvemile Lake |
| Description: | Scatered white spruce at 12 mile lake south of Fort Yukon site index 55 to 65. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Fort Yukon; Twelvemile Lake |
| Description: | Scattered white spruce at 12 Mile Lake south of Ft. Yukon showing typical characteristic of apical dominance. Spruce are 60' tall and about 120 years old at breast height. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | The Porcupine River. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Fort Yukon; Twelvemile Lake |
| Description: | Twelve Mile Lake south of Fort Yukon. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska; Porcupine River |
| Description: | Upriver from plots 331 and 332. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
silvicultural systems constitution and composition of stands forms of stand |
| Location: | Alaska |
| Description: | Upriver from plots 331 and 332. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska |
| Description: | White spruce plot 327. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska |
| Description: | White spruce plot 327. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska |
| Description: | White spruce plot 327; a 152 year old stand, site index 53. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska |
| Description: | White spruce plot 332; a 176 yr. old stand of site index 54. Cubic foot vol. per acre is approx. 2140 in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska |
| Description: | White spruce plot 332; a 176 yr. old stand of site index 54. Cubic foot volume per acre is approximately 2140 in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 327 on Porcupine River. This 152 year old stand has site index 53. Cubic foot vol. per acre = 1320 in trees 5 inches and larger. Tree in foreground was cut in 1964. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest mensuration increment development and structure of stands yield tables and their construction yield models |
| Location: | Alaska; Porcupine River |
| Description: | White spruce yield plot 332 on Porcupine River site index 54. Cubic foot vol. per acre in trees 5 inches and larger = 2140. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest injuries and protection forest fires |
| Location: | Alaska; Fairbanks |
| Description: | Wildfire, a serious problem in many areas of the interior. This pricture was taken south of Fairbanks. |
| Date: | 6/1976 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Butt scar in western hemlock, North Douglas Highway. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Black knots, western hemlock. Switzer Creek reservoir, Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Broken top in hemlock. Fish Creek Road, Douglas Island. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Conks on a dead hemlock near Switzer Village, Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Conks on a dead hemlock near Switzer Village, Juneau. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Switzer Creek |
| Description: | Conks on hemlock near Switzer Creek, Juneau. Tree is dead. |
| Date: | 9/1975 |
| Collection: | Pacific Northwest Research Station, Alaska Image Archive |
| Keywords: |
forest products and their utilization "grading" of wood and wood products detection, recognition and assessment of injuries and defects |
| Location: | Alaska; Juneau; Douglas Island |
| Description: | Dead top in hemlock Fish Creek Road, Douglas Is. |
| Date: | 9/1975 |